Home / 4,754.40-7,131.60-3,660.90

Finding the Fourth Proportional to 4,754.40, 7,131.60 and 3,660.90

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Solution

The fourth proportional to 4,754.40, 7,131.60 and 3,660.90 is: 5,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.40 : 7,131.60 = 3,660.90 : x
  2. Step 2: Convert to fraction form
    4,754.40/7,131.60 = 3,660.90/x
  3. Step 3: Cross multiply
    4,754.40x = 7,131.60 × 3,660.90
  4. Step 4: Simplify right side
    4,754.40x = 26,108,074.44
  5. Step 5: Solve for x
    x = 26,108,074.44/4,754.40
  6. Step 6: Final answer
    x = 5,491.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.